Mrs. Olsen, 79, of South River, died Dec. 6, 2011, in Golden Living Center, Old Bridge. She was a past president of the South River Board of Health. She was predeceased by her husband, Robert Olsen; two grandchildren, Samantha and Chase Olsen; and a son-in-law, Arthur Grocholske. Surviving are a daughter, Debra Grocholske of Stroudsburg, Pa.; three sons, Bruce, and his wife, Susan, and Russell, and his wife, Lisa, all of South River, and Kyle, and his wife, Maureen, of Jackson; two sisters, Barbara Schwartz of Pennsylvania and Geraldine Dunham of Arizona; and seven grandchildren. A Mass was offered at St. Thomas the Apostle Church, Old Bridge. Cremation was private. Arrangements were under the direction of Brunswick Memorial Home, East Brunswick. Memorial contributions may be made to The Children’s Hospital of Philadelphia Foundation, in Memory of Chase Olsen, Lockbox No. 1352, P.O. Box 8500, Philadelphia, PA 19178-1352.